Description
- Participants: The “trio” includes the Mother, Child, and Alleged Father.
- Method: Cheek swabs (buccal swabs) are typically used to collect DNA samples, which are analyzed in a lab to check for genetic markers.
- Advantage: Including the mother allows the laboratory to identify her DNA contribution to the child, making it easier to determine which half of the DNA was inherited from the biological father.
- Accuracy: Trio tests generally offer a higher Combined Paternity Index (CPI) compared to motherless tests.
- Legal Use: When conducted by a certified lab following “chain of custody” procedures, the results are legally binding and can be used for court cases, birth certificate amendments, and immigration.
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